• MBRP Catback Exhaust 409
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MBRP

MBRP 4in T409 Cat-Back Exhaust for 2015-2020 Ford F-150 EcoBoost

MBRP 4in T409 Cat-Back Exhaust for 2015-2020 Ford F-150 EcoBoost

$649.99 USD
$649.99 USD
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S5259409

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  • Ships in 1–2 business days
  • 30-day hassle-free returns
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Key Features

  • Frees up horsepower and torque on 2.7L and 3.5L EcoBoost engines
  • Aggressive Race Profile exhaust note
  • 4-inch mandrel-bent tubing reduces backpressure
  • Corrosion-resistant T409 stainless steel construction
  • 5-inch rolled, angle-cut single wall tip for a clean look
  • Single side exit configuration
  • Bolt-on install using factory hanger locations
  • Backed by MBRP quality and warranty

Wake up your 2015-2020 Ford F-150 EcoBoost with the MBRP S5259409 ARMOR Plus 4-inch cat-back exhaust system. Engineered to free up power and deliver an aggressive race-profile growl, this single side exit system replaces your restrictive factory exhaust with mandrel-bent T409 stainless steel tubing for lasting performance.

Key Benefits

  • Increases exhaust flow to help unlock horsepower and torque from the 2.7L and 3.5L EcoBoost engines
  • Deep, aggressive Race Profile sound that announces your truck
  • 4-inch mandrel-bent tubing minimizes restriction and maximizes scavenging
  • Heavy-duty T409 stainless steel resists corrosion for years of service
  • Bolt-on installation using factory hanger locations for a clean fit

What's Included

  • Complete cat-back exhaust system (catalytic converter back)
  • Single side exit configuration
  • 5-inch single wall, rolled, angle-cut stainless steel tip
  • Necessary clamps and hardware

Specifications

  • Brand: MBRP
  • Part Number: S5259409
  • Series: ARMOR Plus
  • Material: T409 Stainless Steel
  • Pipe Diameter: 4 inch
  • Configuration: Cat-Back, Single Side Exit
  • Tip: 5-inch Single Wall, Rolled, Angle Cut
  • Sound: Race Profile

Fitment

Fits 2015-2020 Ford F-150 with the 2.7L or 3.5L EcoBoost engine only. Excludes Raptor and 2019+ Limited trims. The extension pipe may need to be trimmed or omitted depending on cab and bed configuration.

  • 2015-2020 Ford F-150 (2.7L / 3.5L EcoBoost)

FAQ
Which F-150 engines does the S5259409 fit?

It fits 2015-2020 Ford F-150 with the 2.7L or 3.5L EcoBoost engine only; it excludes the Raptor and 2019+ Limited trims.

How large is the tubing?

It is a 4-inch mandrel-bent T409 stainless system with a Race-profile sound and a 5-inch rolled, angle-cut tip.

Does anything need trimming to install?

Depending on cab and bed configuration, the extension pipe may need to be trimmed or omitted; otherwise it bolts on at the factory hangers.

Vehicle Fitment
Years Make Model Submodel
2015–2020 Ford F-150 —

Specifications
weight
61.0 lbs
dimensions
46.4 L × 16.8 W × 11.6 H in

Shipping & Returns

Free shipping on orders $250+ (standard items). Oversized items ship at calculated rates.

30-day returns with RMA required. 15% restocking fee, buyer pays return shipping. Defective items returned free with full refund.

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